FSDM311L Fairchild Semiconductor, FSDM311L Datasheet - Page 14

• Manufacturer Part Number: FSDM311L
• Description: IC SWIT PWM GREEN OVP HV 8SOP
• Manufacturer: Fairchild Semiconductor

Specifications of FSDM311L

• Output Isolation: Isolated
• Frequency Range: 61 ~ 73kHz
• Voltage - Input: 7 ~ 20 V
• Voltage - Output: 650V
• Power (watts): 13W
• Operating Temperature: 25°C ~ 150°C
• Package / Case: 8-SOP, 8-LSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FSDM311L_NL; FSDM311L_NL

© 2003 Fairchild Semiconductor Corporation
FSDM311 Rev. 1.1.0 • 7/14/06
Winding Specification
All windings should be wound tightly and evenly across the bobbin.
Notes:
10. Overlapped section length between the start and the end of insulation tape is about 3mm – see Figure 29.
11. See Figure 27 (right) and Figure 28 for details.
Electrical Characteristics
Core & Bobbin
Core: EE1927S (SAMWHA Electronics, PL7 / Ae = 23.4mm
Bobbin: Vertical, 12 pins, 6 pins at each side, 20mm width (bobbin wall to wall)
Magnetizing Inductance (Lm)
Bottom
First Resonant Frequency
Top
Leakage Inductance
Winding
Wp4
Wp3
Wp2
Wp1
W5v
Wcc
Figure 29. Overlapped Section of Insulation Taping
7,8,9 → 11,12
Pin(S → F)
f
2 → f
5 → 6
f
3 → f
2
1
→ 1
→ 2
1 – 3
1 – 3
1 – 3
Insulation: Polyester Tape t = 0.025mm, 2 Layers
Insulation: Polyester Tape t = 0.025mm, 1 Layers
Insulation: Polyester Tape t = 0.025mm, 2 Layers
Insulation: Polyester Tape t = 0.025mm, 2 Layers
Insulation: Polyester Tape t = 0.025mm, 1 Layers
Insulation: Polyester Tape t = 0.025mm, 1 Layers
Pin
2
1
Wire (φ:mm)
(2.2mH < Lm ≤ 2.4mH)
0.22φ ×1
0.22φ ×1
0.55φ ×2
0.35φ ×1
0.22φ ×1
0.22φ ×1
14
Specification
2.3mH (typical)
> 630KHz
2
)
< 35μH
Turns
53
53
12
34
53
53
(10)
(10)
(10)
(10)
(11)
(11)
Bifilar Solenoid winding
All other pins shorted
Winding Method
All other pins open
All other pins open
Solenoid winding
Solenoid winding
Solenoid winding
Solenoid winding
Solenoid winding
67KHz, 1 V
67KHz, 1V
Remark
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